Chemistry
Alcoholic (– OH) group can be identified by :

Esterification Test
Tollen's Reagent Test
Ozonolysis Reaction
FeCl3Test

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Chemistry
Metal are good conductors, because

They contain reflecting surface
The molecules in them are very close to each other
They contain free electrons
The molecules in them collide very freely

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Chemistry
An oxidising agent is a

An electron acceptor
In a chemical reaction its oxidation number increases
An electron donor
It releases H2 in a chemical reaction

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